trabajo-afectivo/lib/sequencer/mixin/prefixed_constantize.rb

47 lines
1.5 KiB
Ruby
Raw Normal View History

# Copyright (C) 2012-2021 Zammad Foundation, http://zammad-foundation.org/
class Sequencer
module Mixin
# Classes that extend this module need a PREFIX constant.
module PrefixedConstantize
# Returns the class for a given name String independend of the prefix.
#
# @param [String] sequence the name String for the requested class
#
# @example
# Sequencer::Sequence.constantize('ExampleSequence')
# #=> Sequencer::Sequence::ExampleSequence
#
# @example
# Sequencer::Unit.constantize('Sequencer::Unit::Example::Unit')
# #=> Sequencer::Unit::Example::Unit
#
# @return [Object] the class for the given String
def constantize(name_string)
namespace(name_string).constantize
end
# Returns the complete class namespace for a given name String
# independend of the prefix.
#
# @param [String] sequence the name String for the requested class namespace
#
# @example
# Sequencer::Sequence.namespace('ExampleSequence')
# #=> 'Sequencer::Sequence::ExampleSequence'
#
# @example
# Sequencer::Unit.namespace('Sequencer::Unit::Example::Unit')
# #=> 'Sequencer::Unit::Example::Unit'
#
# @return [String] the class namespace for the given String
def namespace(name_string)
prefix = const_get(:PREFIX)
return name_string if name_string.start_with?(prefix)
"#{prefix}#{name_string}"
end
end
end
end